The requirement of cold weather before a particular plant process occurs (e.g., germination) is known as ____.
A. the biological clock
B. vernalization
C. photoperiodism
D. biennial life cycle
E. perennial life cycle
Answer: B
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Which climograph shows the climate for location 2?
A) B B) C C) D D) F E) H
The area beyond the neritic zone is called
a. abyssal plain. b. ocean basin. c. trench. d. continental margin. e. the hadal zone.
The purpose of mitosis is to enable existing cells to
a) grow b) generate new, genetically diverse cells c) die on purpose d) generate new, genetically identical cells e) generate gametes
In photosynthesis, the oxygen atoms present in CO2 end up _____.
a. as molecular oxygen and water b. in sugar molecules and carbon dioxide c. in water and carbon dioxide d. as molecular oxygen and in sugar molecules e. in sugar molecules and in water